Calculating the give number summary

Mathematics

1 answer:

irga5000 [103]2 years ago

6 0

Answer:

Step-by-step explanation:

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A problem states: "There are 9 more pencils than pens in a container. There are 25 writing utensils in the container in all. How

Alecsey [184]

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2 years ago

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Reflect the point in a the x- axis and b the y-axis (-2,6)

avanturin [10]

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3 years ago

Write the equation of the sphere in standard form. x^2 + y^2 + z^2 + 2x − 4y − 6z = 22

madam [21]

The equation $x^{2} +y^{2} +z^{2} +2x-4y-6z=22$ in standard form looks like $(x+1)^{2} +(y-2)^{2} +(z-3)^{2} =(6)^{2}$ .

Given equation of sphere be $x^{2} +y^{2} +z^{2} +2x-4y-6z=22$ .

We are required to express the given equation in the standard form of the equation of sphere.

Equation is basically relationship between two or more variables that are expressed in equal to form. Equation of two variables look like ax+by=c. It may be linear equation,quadratic equation, cubic equation or many more depending on the powers of variables. The standard form of the equation of sphere looks like $x^{2} +y^{2} +z^{2} =r^{2}$ .